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UCAC2 Catalogue (Zacharias+ 2004)
ReadMe
The Second U.S. Naval Observatory CCD Astrograph Catalog
(48330571 rows)
2UCAC=26039859
Note:
See also the UCAC home page at
http://ad.usno.navy.mil/ucac/
Column
Value
Explain
(
UCD
)
Aladin Image
Start
AladinJava
for a view of the optical sky centered on this source
_RAJ2000
17 41 12.079
"h:m:s"
Right ascension (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEJ2000
-15 41 34.49
"d:m:s"
Declination (FK5) Equinox=J2000.0 Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_RAB1950
17 38 19.650
"h:m:s"
Right ascension (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
_DEB1950
-15 40 05.47
"d:m:s"
Declination (FK4) Equinox=B1950.0 Epoch=J1950.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
_Glon
010.8075
deg
Galactic longitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.galactic.lon
)
(
POS_GAL_LON
)
_Glat
+07.7677
deg
Galactic latitude Epoch=J2000.000, proper motions taken into account (computed by VizieR, not part of the original data) (
pos.galactic.lat
)
(
POS_GAL_LAT
)
2UCAC
26039859
[00000001,48330571] UCAC designation
(Note 1)
(
meta.id;meta.main
)
(
ID_MAIN
)
RA(ICRS)
265.3003295
deg
Right ascension (degrees), ICRS, Ep=J2000
(Note 2)
(
pos.eq.ra;meta.main
)
(
POS_EQ_RA_MAIN
)
DE(ICRS)
-15.6929142
deg
Declination (degrees), ICRS, Ep=J2000
(Note 2)
(
pos.eq.dec;meta.main
)
(
POS_EQ_DEC_MAIN
)
e_RAdeg
22
mas
Minimal mean error on RAdeg
(Note 3)
(
stat.error
)
(
ERROR
)
e_DEdeg
43
mas
Minimal mean error on DEdeg
(Note 3)
(
stat.error
)
(
ERROR
)
ePos
34
mas
Error of original UCAC observation
(Note 4)
(
stat.error
)
(
ERROR
)
UCmag
15.00
mag
Magnitude in UCAC system (579-642nm)
(Note 5)
(
phot.mag;em.opt.V
)
(
PHOT_MAG_OPTICAL
)
No
2
Number of UCAC observations for the star (
meta.number
)
(
NUMBER
)
Nc
2
Number of catalog positions used for pmRA, pmDE (
meta.number
)
(
NUMBER
)
cfl
01
Major catalogs used in pmRA, pmDE
(Note 6)
(
meta.id;meta.dataset
)
(
ID_CATALOG
)
EpRA
1999.228
yr
Central epoch for mean RA
(Note 3)
(
time.epoch
)
(
TIME_EPOCH
)
EpDE
1998.052
yr
Central epoch for mean Declination
(Note 3)
(
time.epoch
)
(
TIME_EPOCH
)
pmRA
-10.6
mas/yr
Proper motion in RA(*cos(Dec))
(Note 7)
(
pos.pm;pos.eq.ra
)
(
POS_EQ_PMRA
)
pmDE
-12.9
mas/yr
Proper motion in Dec (
pos.pm;pos.eq.dec
)
(
POS_EQ_PMDEC
)
e_pmRA
7.9
mas/yr
Mean error on pmRA
(Note 8)
(
stat.error
)
(
ERROR
)
e_pmDE
8.2
mas/yr
Mean error on pmDE
(Note 8)
(
stat.error
)
(
ERROR
)
qpmRA
1.00
Goodness of fit for pmRA
(Note 8)
(
stat.fit.goodness
)
(
FIT_GOODNESS
)
qpmDE
1.00
Goodness of fit for pmDE
(Note 8)
(
stat.fit.goodness
)
(
FIT_GOODNESS
)
2Mkey
1269379736
2MASS (
II/246
) Unique source identifier (
meta.id.cross
)
(
ID_CROSSID
)
Jmag
12.299
mag
J magnitude (1.2um) from 2MASS (
phot.mag;em.IR.J
)
(
PHOT_JHN_J
)
Hmag
11.473
mag
H magnitude (1.6um) from 2MASS (
phot.mag;em.IR.H
)
(
PHOT_JHN_H
)
Kmag
11.311
mag
K magnitude (2.2um) from 2MASS (
phot.mag;em.IR.K
)
(
PHOT_JHN_K
)
phf
000
2MASS photometric quality flag
(Note 9)
(
meta.code.qual
)
(
CODE_QUALITY
)
ccf
000
2MASS confusion flag
(Note 10)
(
meta.code
)
(
CODE_MISC
)
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